Last updated: July 2, 2025
In Joondalup, Australia, awareness of the UV Index is crucial for protecting your skin and overall health. Understanding the levels of UV radiation can help you prevent sunburn and reduce the long-term risks associated with skin damage. With its Mediterranean climate, Joondalup experiences significant UV exposure, particularly during midday when the index peaks at 5. Being informed about these levels allows residents and visitors to enjoy the sun safely, ensuring that outdoor activities remain enjoyable without compromising skin health.
The UV Index throughout the day shows a gradual rise and fall, peaking at 12:00 PM with a value of 5, indicating a moderate level of UV exposure. Starting from a safe 0 at 07:00 AM, the index begins to increase, reaching 3 by 10:00 AM and climbing to 4 at 11:00 AM. As the sun reaches its zenith, the UV Index hits its max at 12:00 PM, before gradually declining to 4 at 1:00 PM and then to 3 by 2:00 PM. After that, it gently descends to 1 from 4:00 PM to 5:00 PM, before dropping back to 0 by 6:00 PM as the sun sets. Overall, the day presents varied UV levels, reminding us to stay protected during those peak hours!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 0 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 2 | low | 45 min |
| 10:00 | 3 | moderate | 30 min |
| 11:00 | 4 | moderate | 30 min |
| 12:00 | 5 | moderate | 30 min |
| 13:00 | 4 | moderate | 30 min |
| 14:00 | 3 | moderate | 30 min |
| 15:00 | 2 | low | 45 min |
| 16:00 | 1 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 0 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, seasonal UV changes significantly impact sun exposure, with the highest UV Index recorded from January to March, where the UV Index remains at 14 and is categorized as extreme, indicating a burn time of just 10 minutes. April sees a drop to 9 (very high) with a burn time of 15 minutes, followed by a moderate UV Index of 4 during the summer months of June and July. The UV Index then rises again in August and September, reaching 8 and 9, respectively, suggesting a very high exposure risk. The end of the year presents another peak in October and November, where the UV Index returns to 13 and 14, both classified as extreme, with minimal burn times. Visitors and residents should remain vigilant, especially during the high-risk months of January to March and October to November, advising regular application of sunscreen, protective clothing, and limiting direct sun exposure to mitigate the risk of skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Melbourne UVI | 14 | 12 | 11 | 7 | 4 | 3 | 3 | 5 | 7 | 9 | 12 | 14 |
| Adelaide UVI | 14 | 13 | 12 | 8 | 5 | 3 | 4 | 5 | 7 | 10 | 12 | 15 |
| Sydney UVI | 14 | 13 | 11 | 8 | 5 | 3 | 4 | 6 | 8 | 10 | 12 | 14 |
| Perth UVI | 14 | 14 | 11 | 9 | 6 | 4 | 4 | 6 | 8 | 11 | 13 | 14 |
| Joondalup | 14 | 14 | 12 | 9 | 6 | 4 | 4 | 6 | 8 | 11 | 13 | 14 |
| Brisbane UVI | 15 | 15 | 13 | 10 | 7 | 5 | 5 | 8 | 9 | 12 | 14 | 15 |